document.write( "Question 1016850: Average for 15 students is 80, one more student joins in average turns to 81 what was his grade? \n" ); document.write( "
Algebra.Com's Answer #633262 by Cromlix(4381) You can put this solution on YOUR website! Hi there, \n" ); document.write( "Average for 15 students is 80 \n" ); document.write( "Therefore total marks were 15 x 80 = 1200 \n" ); document.write( "One more student joins making the average \n" ); document.write( "81. \n" ); document.write( "Therefore total marks became 16 x 81 = 1296 \n" ); document.write( "So, new student's grade was 1296 - 1200 = 96 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |